The Rhesus factor of blood was first identified in a category of? by Sunday | Sep 8 | Biology JAMB | 0 comments A. monkeys B. human females C. human males D. chimpanzees Correct Answer: Option A – monkeys Users Also Read These:A man with blood group A (TAP) married a woman with…A person with blood group B can only donate blood to…Which of following pairs of scientists discovered…A person with blood group, O can be given blood from…A woman with Rhesus negative blood group was advised…